<template>
  <div
    id="main12"
    class="main"
  />
</template>

<script>
export default {
  mounted () {
    this.echartsFn()
  },
  methods: {
    echartsFn () {
      var chartDom = document.getElementById('main12')
      var myChart = this.$echarts.init(chartDom)
      var option

      /**
       *
       * 作者: GhostCat
       * 博客: https://gcat.cc
       * 描述: 双折线图
       *
       */

      const xLabel = ['3.26', '3.27', '3.28', '3.29', '3.30', '3.31']
      const goToSchool = ['40', '60', '22', '85', '50', '40']
      const goOutSchool = ['20', '50', '12', '65', '30', '60']

      option = {
        backgroundColor: '#0e1c47',
        tooltip: {
          trigger: 'axis',
          backgroundColor: 'transparent',
          axisPointer: {
            lineStyle: {
              color: {
                type: 'linear',
                x: 0,
                y: 0,
                x2: 0,
                y2: 1,
                colorStops: [
                  {
                    offset: 0,
                    color: 'rgba(126,199,255,0)' // 0% 处的颜色
                  },
                  {
                    offset: 0.5,
                    color: 'rgba(126,199,255,1)' // 100% 处的颜色
                  },
                  {
                    offset: 1,
                    color: 'rgba(126,199,255,0)' // 100% 处的颜色
                  }
                ],
                global: false // 缺省为 false
              }
            }
          },
          formatter: (p) => {
            const dom = `<div style="width: 79px;height: 50px;;color:#fff;position: relative;">
        <svg style="position: absolute;top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);" class="svg" xmlns="http://www.w3.org/2000/svg" width="100" height="71" viewBox="0 0 84 55">
      <defs>
        <style>
          .cls-1 {
            fill: #07172c;
            fill-opacity: 0.8;
            stroke: #a7d8ff;
            stroke-linejoin: round;
            stroke-opacity: 0.2;
            stroke-width: 1px;
            fill-rule: evenodd;
          }

        </style>
      </defs>
      <path id="矩形_419" data-name="矩形 419" class="cls-1" d="M266,595h74v50H266V624.046L261,620l5-3.984V595Z"
        transform="translate(-258.5 -592.5)" />
    </svg>
        <div style="padding: 4px 8px 4px 14px;display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;position: relative;z-index: 1;">
            <div style="margin-bottom: 4px;width:100%;display:${
              p[0] ? 'flex' : 'none'
            };justify-content:space-between;align-items:center;">
                <span style="font-size:14px;color:#7ec7ff;">${
                  p[0] ? p[0].seriesName : ''
                }</span>
                <span style="font-size:14px;color:#fff;">${
                  p[0] ? p[0].data : ''
                }</span>
            </div>
            <div style="width:100%;height:100%;display:${
              p[1] ? 'flex' : 'none'
            };justify-content:space-between;align-items:center;">
                <span style="font-size:14px;color:#7ec7ff;">${
                  p[1] ? p[1].seriesName : ''
                }</span>
                <span style="font-size:14px;color:#fff;">${
                  p[1] ? p[1].data : ''
                }</span>
            </div>
        </div>
    </div>`
            return dom
          }
        },
        legend: {
          align: 'left',
          right: '10%',
          top: '10%',
          type: 'plain',
          textStyle: {
            color: '#7ec7ff',
            fontSize: 16
          },
          // icon:'rect',
          itemGap: 25,
          itemWidth: 18,
          icon: 'path://M0 2a2 2 0 0 1 2 -2h14a2 2 0 0 1 2 2v0a2 2 0 0 1 -2 2h-14a2 2 0 0 1 -2 -2z',

          data: [
            {
              name: '上学'
            },
            {
              name: '放学'
            }
          ]
        },
        grid: {
          top: '15%',
          left: '10%',
          right: '10%',
          bottom: '15%'
          // containLabel: true
        },
        xAxis: [
          {
            type: 'category',
            boundaryGap: false,
            axisLine: {
              // 坐标轴轴线相关设置。数学上的x轴
              show: true,
              lineStyle: {
                color: '#233653'
              }
            },
            axisLabel: {
              // 坐标轴刻度标签的相关设置
              textStyle: {
                color: '#7ec7ff',
                padding: 16,
                fontSize: 14
              },
              formatter: function (data) {
                return data
              }
            },
            splitLine: {
              show: true,
              lineStyle: {
                color: '#192a44'
              }
            },
            axisTick: {
              show: false
            },
            data: xLabel
          }
        ],
        yAxis: [
          {
            name: '人数',
            nameTextStyle: {
              color: '#7ec7ff',
              fontSize: 16,
              padding: 10
            },
            min: 0,
            splitLine: {
              show: true,
              lineStyle: {
                color: '#192a44'
              }
            },
            axisLine: {
              show: true,
              lineStyle: {
                color: '#233653'
              }
            },
            axisLabel: {
              show: true,
              textStyle: {
                color: '#7ec7ff',
                padding: 16
              },
              formatter: function (value) {
                if (value === 0) {
                  return value
                }
                return value
              }
            },
            axisTick: {
              show: false
            }
          }
        ],
        series: [
          {
            name: '上学',
            type: 'line',
            symbol: 'circle', // 默认是空心圆（中间是白色的），改成实心圆
            showAllSymbol: true,
            symbolSize: 0,
            smooth: true,
            lineStyle: {
              normal: {
                width: 5,
                color: 'rgba(25,163,223,1)' // 线条颜色
              },
              borderColor: 'rgba(0,0,0,.4)'
            },
            itemStyle: {
              color: 'rgba(25,163,223,1)',
              borderColor: '#646ace',
              borderWidth: 2
            },
            tooltip: {
              show: true
            },
            areaStyle: {
              // 区域填充样式
              normal: {
                // 线性渐变，前4个参数分别是x0,y0,x2,y2(范围0~1);相当于图形包围盒中的百分比。如果最后一个参数是‘true’，则该四个值是绝对像素位置。
                color: new this.$echarts.graphic.LinearGradient(
                  0,
                  0,
                  0,
                  1,
                  [
                    {
                      offset: 0,
                      color: 'rgba(25,163,223,.3)'
                    },
                    {
                      offset: 1,
                      color: 'rgba(25,163,223, 0)'
                    }
                  ],
                  false
                ),
                shadowColor: 'rgba(25,163,223, 0.5)', // 阴影颜色
                shadowBlur: 20 // shadowBlur设图形阴影的模糊大小。配合shadowColor,shadowOffsetX/Y, 设置图形的阴影效果。
              }
            },
            data: goToSchool
          },
          {
            name: '放学',
            type: 'line',
            symbol: 'circle', // 默认是空心圆（中间是白色的），改成实心圆
            showAllSymbol: true,
            symbolSize: 0,
            smooth: true,
            lineStyle: {
              normal: {
                width: 5,
                color: 'rgba(10,219,250,1)' // 线条颜色
              },
              borderColor: 'rgba(0,0,0,.4)'
            },
            itemStyle: {
              color: 'rgba(10,219,250,1)',
              borderColor: '#646ace',
              borderWidth: 2
            },
            tooltip: {
              show: true
            },
            areaStyle: {
              // 区域填充样式
              normal: {
                // 线性渐变，前4个参数分别是x0,y0,x2,y2(范围0~1);相当于图形包围盒中的百分比。如果最后一个参数是‘true’，则该四个值是绝对像素位置。
                color: new this.$echarts.graphic.LinearGradient(
                  0,
                  0,
                  0,
                  1,
                  [
                    {
                      offset: 0,
                      color: 'rgba(10,219,250,.3)'
                    },
                    {
                      offset: 1,
                      color: 'rgba(10,219,250, 0)'
                    }
                  ],
                  false
                ),
                shadowColor: 'rgba(10,219,250, 0.5)', // 阴影颜色
                shadowBlur: 20 // shadowBlur设图形阴影的模糊大小。配合shadowColor,shadowOffsetX/Y, 设置图形的阴影效果。
              }
            },
            data: goOutSchool
          }
        ]
      }
      let len = 0
      setInterval(() => {
        if (len === xLabel.length) {
          len = 0
        }
        myChart.dispatchAction({
          type: 'showTip',
          seriesIndex: 0,
          dataIndex: len
        })
        len++
      }, 1000)

      option && myChart.setOption(option)
    }
  }
}
</script>

<style>
</style>
